PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/10-17:27:50
G02     235.8          71.9                7.2 +/-    1.12       7.5 +/-    1.12  0.100 / 0.280
G05     172.7          14.5                8.7 +/-    1.27      21.9 +/-    1.27  0.110 / 0.300
G06     41.4           57.7                7.4 +/-    0.75       8.6 +/-    0.75  0.140 / 0.470
G12     322.9          54.9                4.7 +/-    1.15       5.6 +/-    1.15  0.130 / 0.350
G17     70.2           22.3                7.2 +/-    1.54      15.1 +/-    1.54  0.030 / 0.050
G19     52.6           42.4                7.6 +/-    0.49      10.7 +/-    0.49  0.040 / 0.050
G24     244.9          35.5               10.3 +/-    1.56      16.1 +/-    1.56  0.070 / 0.070
G25     316.3          11.6                4.8 +/-   19.47      12.8 +/-   19.47  0.050 / 0.060